MuJoCo-rs

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MuJoCo bindings and wrappers for the Rust programming language. Includes a Rust-native 3D viewer and also bindings to a modified C++ one.

MuJoCo is a general purpose physics simulator.

MuJoCo version

MuJoCo-rs uses FFI bindings to MuJoCo 3.3.7.

Main features

MuJoCo-rs tries to stay close to the MuJoCo’s C API, with a few additional features for ease of use. The main features on top of MuJoCo include:

  • Safe wrappers around structs:

    • Automatic allocation and cleanup.

    • Lifetime checks.

  • Methods as function wrappers.

  • Easy manipulation of simulation data via Attribute views (named access).

  • High-level Model editing.

  • Visualization:

Installation

For installation, see Installation.

Optional Cargo features

Optional Cargo features can be enabled:

  • viewer: enables the Rust-native MuJoCo viewer.

    • viewer-ui: enables the (additional) user UI within the viewer. This also allows users to add custom egui widgets to the viewer.

  • cpp-viewer: enables the Rust wrapper around the C++ MuJoCo viewer. This requires static linking to a modified fork of MuJoCo, as described in Installation.

  • renderer: enables offscreen rendering for writing RGB and depth data to memory or file.

    • renderer-winit-fallback: enables the invisible window fallback (based on winit) when offscreen rendering fails to initialize. Note that true offscreen rendering is only available on Linux platforms when the video driver supports it. On Windows and MacOS, this feature must always be enabled when the renderer feature is enabled.

  • auto-download-mujoco: MuJoCo dependency will be automatically downloaded to the specified path.

    • This is only available on Linux and Windows.

    • The environmental variable MUJOCO_DOWNLOAD_DIR must be set to the absolute path of the download location.

    • Downloaded MuJoCo library is still a shared library, see installation for information on complete configuration.

By default, viewer, viewer-ui, renderer, and renderer-winit-fallback are enabled.

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